diff options
Diffstat (limited to 'CGI.pl')
-rw-r--r-- | CGI.pl | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -206,7 +206,7 @@ sub get_netaddr { my ($ipaddr) = @_; # Check for a valid IPv4 addr which we know how to parse - if ($ipaddr !~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/) { + if (!$ipaddr || $ipaddr !~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/) { return undef; } |